0, 1, 3, 2, 7, 6, 8, 5, 4, 18, 17, 16, 15, 14, 22, 19, 21, 12, 11, 20, 13, 10, 9, 49, 48, 50, 46, 45, 47, 44, 43, 40, 39, 42, 41, 38, 37, 63, 62, 60, 52, 51, 64, 56, 59, 32, 31, 58, 30, 29, 28, 61, 53, 57, 36, 33, 55, 35, 26, 25, 54, 34, 27, 24, 23, 143, 142, 141, 139, 138
